From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/usb/isp1760/isp1760-hcd.h | 104 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 drivers/usb/isp1760/isp1760-hcd.h (limited to 'drivers/usb/isp1760/isp1760-hcd.h') diff --git a/drivers/usb/isp1760/isp1760-hcd.h b/drivers/usb/isp1760/isp1760-hcd.h new file mode 100644 index 0000000000..ee3063a34d --- /dev/null +++ b/drivers/usb/isp1760/isp1760-hcd.h @@ -0,0 +1,104 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ISP1760_HCD_H_ +#define _ISP1760_HCD_H_ + +#include +#include + +#include "isp1760-regs.h" + +struct isp1760_qh; +struct isp1760_qtd; +struct resource; +struct usb_hcd; + +struct isp1760_slotinfo { + struct isp1760_qh *qh; + struct isp1760_qtd *qtd; + unsigned long timestamp; +}; + +/* chip memory management */ +#define ISP176x_BLOCK_MAX (32 + 20 + 4) +#define ISP176x_BLOCK_NUM 3 + +struct isp1760_memory_layout { + unsigned int blocks[ISP176x_BLOCK_NUM]; + unsigned int blocks_size[ISP176x_BLOCK_NUM]; + + unsigned int slot_num; + unsigned int payload_blocks; + unsigned int payload_area_size; +}; + +struct isp1760_memory_chunk { + unsigned int start; + unsigned int size; + unsigned int free; +}; + +enum isp1760_queue_head_types { + QH_CONTROL, + QH_BULK, + QH_INTERRUPT, + QH_END +}; + +struct isp1760_hcd { + struct usb_hcd *hcd; + + void __iomem *base; + + struct regmap *regs; + struct regmap_field *fields[HC_FIELD_MAX]; + + bool is_isp1763; + const struct isp1760_memory_layout *memory_layout; + + spinlock_t lock; + struct isp1760_slotinfo *atl_slots; + int atl_done_map; + struct isp1760_slotinfo *int_slots; + int int_done_map; + struct isp1760_memory_chunk memory_pool[ISP176x_BLOCK_MAX]; + struct list_head qh_list[QH_END]; + + /* periodic schedule support */ +#define DEFAULT_I_TDPS 1024 + unsigned periodic_size; + unsigned i_thresh; + unsigned long reset_done; + unsigned long next_statechange; +}; + +#ifdef CONFIG_USB_ISP1760_HCD +int isp1760_hcd_register(struct isp1760_hcd *priv, struct resource *mem, + int irq, unsigned long irqflags, struct device *dev); +void isp1760_hcd_unregister(struct isp1760_hcd *priv); + +int isp1760_init_kmem_once(void); +void isp1760_deinit_kmem_cache(void); +#else +static inline int isp1760_hcd_register(struct isp1760_hcd *priv, + struct resource *mem, + int irq, unsigned long irqflags, + struct device *dev) +{ + return 0; +} + +static inline void isp1760_hcd_unregister(struct isp1760_hcd *priv) +{ +} + +static inline int isp1760_init_kmem_once(void) +{ + return 0; +} + +static inline void isp1760_deinit_kmem_cache(void) +{ +} +#endif + +#endif /* _ISP1760_HCD_H_ */ -- cgit v1.2.3